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Thread: New gm pads and caliper noisey?

  1. #1
    Regular Member Vectra Dan SRi's Avatar
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    Default New gm pads and caliper noisey?

    Hey guys following on from when my vec failed an MOT due to nearside rear pads low, turned out my caliper was seized, so after alot of stress swearing blood sweat and tears its all sorted and passed, however... the rear nearside breaks seem to sound like a grinding noise from them? the pads are proper gm vauxhall ones guys had mintex pads in previous... any ideas?

  2. #2
    Regular Member Vectra Dan SRi's Avatar
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    Any idea's guys?

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    Regular Member Keif's Avatar
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    Have you greased the sliders? If not, that'd be my first call.

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    Regular Member Vectra Dan SRi's Avatar
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    No mate, by sliders you mean the allen bolt sliders that hold the caliper to the carrier (sorry if i sound silly buddy).

  5. #5
    Regular Member veclee's Avatar
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    Vehicle : vectra c

    Trim : club

    Engine : 1800

    Year : 05

    Mileage : 63000

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    Strip the rubbers out from the sliders clean out all the white powder residew ideally with a die-grinder or like kind tool refit the rubbers with clean slider bolts and you should be fine more of the time it's the slider rubbers that are the problem seizing up due to the white stuff hth

  6. #6
    Regular Member Keif's Avatar
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    You don't sound silly, as when I hit submit thought I should have put "the allen bolt sliders that hold the caliper to the carrier".

    Yes they're exactly what I meant.

    If they don't slide easily it puts more pressure on one side of the caliper (one pad) and could rub.

    The other thing to check is that rear plate is free from the disc/caliper.

  7. #7
    Regular Member Vectra Dan SRi's Avatar
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    Thanks for the replys guys, the grinding noises only happen under breaking more so at lower speeds 5/10mph... the sliders were a little tight to go in as it was a new caliper i shall wazz em out tomorrow and grease them up first thing in the morning, and hopefully it'll sort it fingers crossed.

  8. #8
    Regular Member veclee's Avatar
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    Vehicle : vectra c

    Trim : club

    Engine : 1800

    Year : 05

    Mileage : 63000

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    unless you remove the rubbers and clean everything you be in the same place in a few months time

  9. #9
    Regular Member byebyeitsagsi's Avatar
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    If you only replaced the pads if the old disks are pitted or scored that will be your grinding noise.

  10. #10
    Regular Member Exclusive BV's Avatar
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    agree with above, the new pads will take a bit of time to bed in and will be noisy at first, especially if the disk is quite worn on that side

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